UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '+844xDpAco1ZSNDNrjo1KrVOtHoc3fyDwCh5VOHSWFs=' 
WHERE 
  key_id = '4efe1a00d6324828c32e5d27ec4985a9b1504c778f368c814b00bff0292e400a' 
  AND (
    token = '+844xDpAco1ZSNDNrjo1KrVOtHoc3fyDwCh5VOHSWFs=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )